Some 800 guests are expected to descend upon St. George's Chapel to watch Princess Eugenie walk up the aisle on Friday before dancing the night away at a lavish private party.

But despite the packed guest list, a few notable absences have emerged amid reports that the Duchess of Cornwall will not be among the congregation due to a prior engagement.

Now MailOnline can reveal that the Duke of Kent will miss out on the evening reception, after joining the royal family in Windsor for the 11am ceremony.

While the newlyweds celebrate with a tequila-fuelled party at the Royal Lodge, the elderly Duke, a first cousin of the Queen who turned 83 on Tueday, will instead attend the Military Rehabilitation Headley Court Gala Dinner in London.

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Edward, Duke of Kent (pictured at the 2011 royal wedding) will not attend the evening reception held by Princess Eugenie and Jack Brooksbank this Friday, MailOnline can reveal

The Duke of Kent's absence on Friday evening may come as a surprise to royal-watchers, who will recall him being invited to both William's wedding in 2011 and Harry's in May this year (pictured)

Jack and Eugenie will marry at St George's Chapel - where her cousin Prince Harry married Meghan Markle just five months ago - watched by the royal family and a host of VIP guests this Friday. The Princess' older sister Beatrice is expected to be her maid of honour

A representative for Buckingham Palace confirmed to MailOnline that the Duke will be attending the ceremony before travelling down to London in the evening.

His evening engagement, held at swanky Grosvenor House on Park Lane, is being held in aid of a rehabilitation centre for wounded personnel which is being relocated from Headley, Court in Surrey to the new purpose-built Stanford Hall Estate, Nottinghamshire.

The Duke of Kent is the second cousin twice removed of Princess Eugenie, and is affiliated with over 140 charities and patronages with a focus on British technology and war commemoration.

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His absence on Friday evening may come as a surprise to royal-watchers, after he was invited to both William's wedding in 2011 and Harry's in May this year.

It also suggests his son, the Earl of St Andrews and granddaughter, Lady Amelia Windsor, may not have made the evening guest list either.

On Monday it emerged that the Duchess of Cornwall could be skipping Eugenie and Jack's nuptials due to a prior commitment in Scotland.

According to Hello!, Prince Charles will attend his niece's wedding without his wife Camilla, because it clashes with her long-standing engagement to visit a school.

A rundown of how Princess Eugenie and her partner Jack's wedding on Friday 12th October will unfold, following the 11am ceremony at St George's Chapel at Windsor Castle

Eugenie's parents the Duke and Duchess of York, who split in 1996, will be watching with pride from the pews in St George's Chapel as their youngest daughter marries Jack

Royal commentator Victoria Arbiter said Camilla's absence from proceedings 'doesn't indicate any malice or ill-feeling'.

She tweeted: 'Royals don't like to disappoint. Given she'd already committed to attending a school event it's duty first.'

Camilla is likely to be the only senior royal not in attendance on Friday, with the Queen and the Duke of Edinburgh and the Cambridge family set to make an appearance at their second royal wedding in less than six months.

Prince George and Princess Charlotte are rumoured to be taking on pageboy and flowergirl duties for the ceremony, after being part of the adorable pint-sized bridal party that followed Meghan down the aisle on May 19th.

Who is Jack Brooksbank?

The man set to become the newest member of the royal family is a former waiter who spurned university and a job in the City to set himself up in the pub trade.

Jack Brooksbank, once nicknamed 'barman Jack' in his Chelsea social circle, has worked his way up through some of the capital's trendiest bars and nightspots.

But the 31-year-old has moved to put any idea of his being a party animal behind him in recent years, setting up a respectable wine merchants business.

His partying days aren't completely finished however - in the weeks before the couple's engagement was announced in January he was snapped with friends promoting Casamigos tequila, the brand for whom he is an ambassador, which is part-owned by Hollywood star George Clooney.

Brooksbank is the son of Old Etonian chartered accountant George Brooksbank and his wife Nicola.

Jack and his friend celebrated the New Year in celebrity hotspot Malibu, California after his company became ambassadors for a celebrity-backed brand of tequila

After news of their impending wedding broke it emerged that - as with many royal couples - Brooksbank and Eugenie are very distantly related.

Brooksbank's father's great, great, great grandfather is Sir Thomas Coke, the former Earl of Leicester and a politician in the early 19th century.

Sir Thomas, who died in 1842, is also the great, great, great grandfather of Sarah Ferguson, Eugenie's mother.

He was educated at £10,000-a-term Stowe school in Buckinghamshire, whose former pupils include businessmen Richard Branson and John Sainsbury.

Rather than follow many of his peers into finance degrees and the City, Jack got the backing of his parents to go straight to work after school, heading for the hospitality industry.

He worked as a waiter and took a job at Chelsea's Admiral Codrington, a gastropub just a short walk from Sloane Square and in the heart of Made In Chelsea country

It was there that he met businessman Piers Adam, who brought him around the corner to The Markham Inn, also in Chelsea.

Jack and Eugenie were introduced by friends more than three years ago during a skiing holiday to Verbier

Mr Adam previously described him as a 'phenomenal' operator, who was happy dealing with staff and customer issues.

In his three years at the Markham, Jack got to know Prince Harry and his friend Guy Pelly and began to move in royal circles.

Jack said of his time at the pub: 'At the Markham Inn, I had to deal with lots of strange people, and everyone was demanding. I also got to know the locals, which I loved.'

From there he went on to help run the Mahiki nightclub in Mayfair, one of the capital's most exclusive nightclubs and also a favourite of Prince Harry and the young royals.

He also got on well with Eugenie's best friend, actress Cressida Bonas, who was at that time Prince Harry's girlfriend.

Despite reports he celebrated his 21st birthday – before he knew Eugenie – dancing with a naked stripper, Jack has more recently insisted he doesn't spend much time drinking with revellers in his nightspots.

He previously said: 'I leave work at 11pm and head home. I'm not a big drinker. People think we party a lot but actually we are very quiet. For me it's a case of going home and watching a DVD.'

He was also said to be a stablising influence on one-time 'party princess' Eugenie, and the couple were both said to have been seen out less as their relationship matured.

Brooksbank, pictured (centre), at a tequila event last year, has risen to the top of London's hospitality industry by moving through a number of top pubs, clubs and restaurants

But he knew his way around a bar well enough to become a brand ambassador for Casamigos tequila, the brand set up by Clooney and his friends Rande Gerber and Mike Meldman.

It is said the move from 'party fixer' to wine merchant was an attempt to make himself look more respectable in case he were to attempt to join the royal family in future.

Brooksbank has also previously spoken of his dream of opening a chain of country hostelries.

In 2013, he said: 'I want to create a chain of pubs. It has been my dream since I was 18. I have fond memories of Sunday roasts in pubs with log fires, and it’s something I want to recreate. I love pubs and often go to my local for a pint.'

Jack and Eugenie were introduced by friends around seven years ago during a skiing holiday to Verbier in Switzerland.

The couple's relationship went long-distance when Eugenie moved to New York. They are pictured watching the New York Knicks in 2017 with Ellie Goulding and Caspar Jopling

'There was an immediate attraction and since that meeting, they have barely been apart,' a friend later recalled.

The friend added: 'Eugenie was studying at Newcastle when they met and Jack was working in London, but they made the relationship work.

'She is very uncomplicated. She's a doer, a worker, as is Jack. They are very suited.

'Jack's always worked hard. He chose not to go to university so that he could get on the career ladder and Eugenie loved that. She didn't care at all that he was a waiter. She might be a princess, but Eugenie comes with few airs and graces.'

He quickly ingratiated himself with Eugenie's parents and reportedly bought her a Cartier bracelet for her 22nd birthday.

The former waiter and pub worker set up his own drinks distribution firm and has since been pictured with friends at a number of promotional nights

It was reported in 2012 that Fergie had to apologise to fellow diners after a party at the Osteria dell’Arancio restaurant in Chelsea to celebrate Jack’s 27th birthday.

Their relationship was tested in 2013, three years after they met, Eugenie went to work at Paddle8 auction house in New York, while Jack stayed in London.

But they managed to keep a long-distance relationship going with the aid of Skype and reunited in London two years later.

After months of rumours, Jack proposed to his princess in Nicaragua, and the Royal Family announced in January 2018 that the couple would marry in the autumn

Jack Brooksbank, pictured at Devonshire Terrace, the city bar restaurant where he used to work meeting and greeting clients, and occasionally waiting tables

Further details of Eugenie and Jack's big day have emerged as it draws near, with the world-famous Italian opera singer Andrea Bocelli set to perform at the ceremony.

Harry and Meghan and Princess Eugenie and her fiance Jack Brooksbanks are also set to marry at St George's Chapel this year

Funerals

The church has been the setting for many historic funerals including the Queen Mother's private committal service following her Westminster Abbey funeral in 2002, and in the same year, Princess Margaret's small, private funeral.

The funeral of the Queen's father, King George VI, took place at St George's in 1952.